Mercurial > hgsubversion

annotate hgsubversion/maps.py @ 574:8e025a6f0db4

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add basic branchmap functionality, to rename branches
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Mon, 01 Mar 2010 22:10:18 +0100
parents 00393e9abff8
children 21a389e4d8b5
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1 ''' Module for self-contained maps. '''
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2
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3 import os
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4 from mercurial import util as hgutil
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5 from mercurial import node
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6
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7 import svncommands
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8
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9 class AuthorMap(dict):
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10 '''A mapping from Subversion-style authors to Mercurial-style
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11 authors, and back. The data is stored persistently on disk.
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12
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13 If the 'hgsubversion.defaultauthors' configuration option is set to false,
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14 attempting to obtain an unknown author will fail with an Abort.
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15 '''
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16
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17 def __init__(self, ui, path, defaulthost=None):
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18 '''Initialise a new AuthorMap.
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19
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20 The ui argument is used to print diagnostic messages.
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21
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22 The path argument is the location of the backing store,
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23 typically .hg/authormap.
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24 '''
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25 self.ui = ui
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26 self.path = path
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27 if defaulthost:
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28 self.defaulthost = '@%s' % defaulthost.lstrip('@')
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29 else:
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30 self.defaulthost = ''
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31 self.super = super(AuthorMap, self)
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32 self.super.__init__()
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33 self.load(path)
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34
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35 def load(self, path):
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36 ''' Load mappings from a file at the specified path. '''
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37 if not os.path.exists(path):
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38 return
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40 writing = False
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41 if path != self.path:
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42 writing = open(self.path, 'a')
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43
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44 self.ui.note('reading authormap from %s\n' % path)
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45 f = open(path, 'r')
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46 for number, line in enumerate(f):
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47
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48 if writing:
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49 writing.write(line)
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50
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51 line = line.split('#')[0]
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52 if not line.strip():
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53 continue
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54
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55 try:
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56 src, dst = line.split('=', 1)
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57 except (IndexError, ValueError):
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58 msg = 'ignoring line %i in author map %s: %s\n'
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59 self.ui.warn(msg % (number, path, line.rstrip()))
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60 continue
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62 src = src.strip()
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63 dst = dst.strip()
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64 self.ui.debug('adding author %s to author map\n' % src)
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65 if src in self and dst != self[src]:
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66 msg = 'overriding author: "%s" to "%s" (%s)\n'
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67 self.ui.warn(msg % (self[src], dst, src))
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68 self[src] = dst
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69
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70 f.close()
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71 if writing:
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72 writing.flush()
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73 writing.close()
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74
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75 def __getitem__(self, author):
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76 ''' Similar to dict.__getitem__, except in case of an unknown author.
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77 In such cases, a new value is generated and added to the dictionary
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78 as well as the backing store. '''
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79 if author in self:
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80 result = self.super.__getitem__(author)
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81 elif self.ui.configbool('hgsubversion', 'defaultauthors', True):
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82 self[author] = result = '%s%s' % (author, self.defaulthost)
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83 msg = 'substituting author "%s" for default "%s"\n'
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84 self.ui.note(msg % (author, result))
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85 else:
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86 msg = 'author %s has no entry in the author map!'
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87 raise hgutil.Abort(msg % author)
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88 self.ui.debug('mapping author "%s" to "%s"\n' % (author, result))
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89 return result
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90
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91 def reverselookup(self, author):
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92 for svnauthor, hgauthor in self.iteritems():
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93 if author == hgauthor:
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94 return svnauthor
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95 else:
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96 # Mercurial incorrectly splits at e.g. '.', so we roll our own.
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97 return author.rsplit('@', 1)[0]
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98
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99
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100 class TagMap(dict):
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101 """Map tags to converted node identifier.
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102
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103 tag names are non-empty strings.
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104 """
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105 VERSION = 2
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106
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107 @classmethod
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108 def filepath(cls, repo):
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109 return os.path.join(repo.path, 'svn', 'tagmap')
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110
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111 def __init__(self, repo, endrev=None):
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112 dict.__init__(self)
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113 self.path = self.filepath(repo)
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114 self.seen = 0
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115 self.endrev=endrev
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116 if os.path.isfile(self.path):
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117 self._load(repo)
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118 else:
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119 self._write()
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120
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121 def _load(self, repo):
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122 f = open(self.path)
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123 ver = int(f.readline())
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124 if ver < self.VERSION:
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125 repo.ui.warn('tag map outdated, running rebuildmeta...\n')
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diff changeset
126 f.close()
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diff changeset
127 os.unlink(self.path)
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diff changeset
128 svncommands.rebuildmeta(repo.ui, repo, ())
453
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diff changeset
129 return
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diff changeset
130 elif ver != self.VERSION:
448
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131 print 'tagmap too new -- please upgrade'
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132 raise NotImplementedError
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diff changeset
133 for l in f:
453
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diff changeset
134 hash, revision, tag = l.split(' ', 2)
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diff changeset
135 revision = int(revision)
448
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diff changeset
136 tag = tag[:-1]
453
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diff changeset
137 if self.endrev is not None and revision > self.endrev:
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diff changeset
138 break
519
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diff changeset
139 if not tag:
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diff changeset
140 continue
448
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141 dict.__setitem__(self, tag, node.bin(hash))
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142 f.close()
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143
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144 def _write(self):
453
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diff changeset
145 assert self.endrev is None
448
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diff changeset
146 f = open(self.path, 'w')
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147 f.write('%s\n' % self.VERSION)
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148 f.flush()
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149 f.close()
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150
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151 def update(self, other):
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152 for k,v in other.iteritems():
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153 self[k] = v
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154
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155 def __contains__(self, tag):
519
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156 return (tag and dict.__contains__(self, tag)
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diff changeset
157 and dict.__getitem__(self, tag) != node.nullid)
448
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158
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159 def __getitem__(self, tag):
519
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diff changeset
160 if tag and tag in self:
448
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161 return dict.__getitem__(self, tag)
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162 raise KeyError()
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163
453
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164 def __setitem__(self, tag, info):
519
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165 if not tag:
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166 raise hgutil.Abort('tag cannot be empty')
453
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diff changeset
167 hash, revision = info
448
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168 f = open(self.path, 'a')
453
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diff changeset
169 f.write('%s %s %s\n' % (node.hex(hash), revision, tag))
448
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diff changeset
170 f.flush()
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171 f.close()
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172 dict.__setitem__(self, tag, hash)
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173
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174
408
f137231f9d30 extract the revmap support into a separate dict-like class
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diff changeset
175 class RevMap(dict):
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176
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177 VERSION = 1
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178
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179 def __init__(self, repo):
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180 dict.__init__(self)
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181 self.path = os.path.join(repo.path, 'svn', 'rev_map')
415
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182 self.seen = 0
408
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183 if os.path.isfile(self.path):
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184 self._load()
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185 else:
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186 self._write()
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187
415
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diff changeset
188 def hashes(self):
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diff changeset
189 return dict((v, k) for (k, v) in self.iteritems())
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diff changeset
190
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diff changeset
191 def branchedits(self, branch, rev):
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diff changeset
192 check = lambda x: x[0][1] == branch and x[0][0] < rev.revnum
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diff changeset
193 return sorted(filter(check, self.iteritems()), reverse=True)
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diff changeset
194
408
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195 def _load(self):
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196 f = open(self.path)
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197 ver = int(f.readline())
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198 if ver != self.VERSION:
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199 print 'revmap too new -- please upgrade'
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200 raise NotImplementedError
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diff changeset
201 for l in f:
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diff changeset
202 revnum, hash, branch = l.split(' ', 2)
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diff changeset
203 if branch == '\n':
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diff changeset
204 branch = None
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diff changeset
205 else:
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diff changeset
206 branch = branch[:-1]
415
b17b2969861c svnmeta: move revmap methods, make last_known_revision() more efficient
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parents: 409
diff changeset
207 revnum = int(revnum)
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parents: 409
diff changeset
208 self.seen = max(self.seen, revnum)
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parents: 409
diff changeset
209 dict.__setitem__(self, (revnum, branch), node.bin(hash))
408
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diff changeset
210 f.close()
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diff changeset
211
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diff changeset
212 def _write(self):
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diff changeset
213 f = open(self.path, 'w')
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diff changeset
214 f.write('%s\n' % self.VERSION)
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parents: 360
diff changeset
215 f.flush()
f137231f9d30 extract the revmap support into a separate dict-like class
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diff changeset
216 f.close()
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parents: 360
diff changeset
217
f137231f9d30 extract the revmap support into a separate dict-like class
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diff changeset
218 def __setitem__(self, key, hash):
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diff changeset
219 revnum, branch = key
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diff changeset
220 f = open(self.path, 'a')
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diff changeset
221 b = branch or ''
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diff changeset
222 f.write(str(revnum) + ' ' + node.hex(hash) + ' ' + b + '\n')
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diff changeset
223 f.flush()
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diff changeset
224 f.close()
415
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parents: 409
diff changeset
225 self.seen = max(self.seen, revnum)
408
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diff changeset
226 dict.__setitem__(self, (revnum, branch), hash)
409
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parents: 408
diff changeset
227
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diff changeset
228
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diff changeset
229 class FileMap(object):
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diff changeset
230
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diff changeset
231 def __init__(self, repo):
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diff changeset
232 self.ui = repo.ui
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233 self.include = {}
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234 self.exclude = {}
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diff changeset
235 filemap = repo.ui.config('hgsubversion', 'filemap')
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parents: 408
diff changeset
236 if filemap and os.path.exists(filemap):
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parents: 408
diff changeset
237 self.load(filemap)
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diff changeset
238
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diff changeset
239 def _rpairs(self, name):
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diff changeset
240 yield '.', name
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diff changeset
241 e = len(name)
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parents: 408
diff changeset
242 while e != -1:
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diff changeset
243 yield name[:e], name[e+1:]
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diff changeset
244 e = name.rfind('/', 0, e)
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diff changeset
245
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diff changeset
246 def check(self, map, path):
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diff changeset
247 map = getattr(self, map)
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diff changeset
248 for pre, suf in self._rpairs(path):
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diff changeset
249 if pre not in map:
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diff changeset
250 continue
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diff changeset
251 return map[pre]
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diff changeset
252 return None
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253
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diff changeset
254 def __contains__(self, path):
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diff changeset
255 if len(self.include) and len(path):
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diff changeset
256 inc = self.check('include', path)
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257 else:
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diff changeset
258 inc = path
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259 if len(self.exclude) and len(path):
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diff changeset
260 exc = self.check('exclude', path)
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diff changeset
261 else:
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diff changeset
262 exc = None
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263 if inc is None or exc is not None:
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264 return False
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265 return True
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266
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267 def add(self, fn, map, path):
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268 mapping = getattr(self, map)
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269 if path in mapping:
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270 msg = 'duplicate %s entry in %s: "%d"\n'
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271 self.ui.warn(msg % (map, fn, path))
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272 return
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273 bits = map.strip('e'), path
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274 self.ui.debug('%sing %s\n' % bits)
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275 mapping[path] = path
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276
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277 def load(self, fn):
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278 self.ui.note('reading file map from %s\n' % fn)
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279 f = open(fn, 'r')
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280 for line in f:
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281 if line.strip() == '' or line.strip()[0] == '#':
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282 continue
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283 try:
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284 cmd, path = line.split(' ', 1)
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285 cmd = cmd.strip()
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286 path = path.strip()
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287 if cmd in ('include', 'exclude'):
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288 self.add(fn, cmd, path)
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289 continue
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290 self.ui.warn('unknown filemap command %s\n' % cmd)
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291 except IndexError:
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292 msg = 'ignoring bad line in filemap %s: %s\n'
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293 self.ui.warn(msg % (fn, line.rstrip()))
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294 f.close()
574
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295
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296 class BranchMap(dict):
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297 '''Facility for controlled renaming of branch names. Example:
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298
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299 oldname = newname
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300 other = default
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301
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302 All changes on the oldname branch will now be on the newname branch; all
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303 changes on other will now be on default (have no branch name set).
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304 '''
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305
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306 def __init__(self, ui, path):
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307 self.ui = ui
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308 self.path = path
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309 self.super = super(BranchMap, self)
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310 self.super.__init__()
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311 self.load(path)
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312
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313 def load(self, path):
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314 '''Load mappings from a file at the specified path.'''
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315 if not os.path.exists(path):
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316 return
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317
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318 writing = False
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319 if path != self.path:
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320 writing = open(self.path, 'a')
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321
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322 self.ui.note('reading branchmap from %s\n' % path)
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323 f = open(path, 'r')
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324 for number, line in enumerate(f):
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325
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326 if writing:
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327 writing.write(line)
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328
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329 line = line.split('#')[0]
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330 if not line.strip():
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331 continue
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332
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333 try:
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334 src, dst = line.split('=', 1)
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335 except (IndexError, ValueError):
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336 msg = 'ignoring line %i in branch map %s: %s\n'
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337 self.ui.warn(msg % (number, path, line.rstrip()))
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338 continue
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339
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340 src = src.strip()
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341 dst = dst.strip()
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342 self.ui.debug('adding branch %s to branch map\n' % src)
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343 if src in self and dst != self[src]:
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344 msg = 'overriding branch: "%s" to "%s" (%s)\n'
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345 self.ui.warn(msg % (self[src], dst, src))
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346 self[src] = dst
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347
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348 f.close()
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349 if writing:
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350 writing.flush()
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351 writing.close()